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Write a balanced molecular equation and a net ionic equation for the reaction aluminum hydroxide with a solution of hydrobromic acid. Include the states of each species. a) balanced molecular equation. b) net ionic equation
A rolling axle, 1.50 m long, is pushed along horizontal rails at a constant speed v=3.00 m/s. A resistor R=0.400Ω is connected to the rails at points a and b, directly opposite from each other.
The difference in the mass of 100 moles each of sodium atoms and sodium ions is 5>48002 g. Compute the mass of an electron.
A solution was prepared by mixing 43.00 mL of 0.190 M HNO3 and 108.00 mL of 0.150 M HNO3. Calculate the molarity of the final solution of nitric acid.
PH And Percent Ionization, 1. Determine the pH and the percent ionization in a 0.50M solution of KOBr. The Ka for HOBr = 2.5 x 10 ^ -9.
What is the initial concentration of the Fe2+(aq) solution?
Assuming that the deformation is completely elastic, compute the amount of stress that is put on the nickel 200 alloy. Use values of Yield Stress, Ultimate Tensile Strength, Coefficient of Thermal Expansion and E for nickel 200 alloy.
A voltaic cell is constructed from an Ni^2+(aq)-Ni(s) half-cell and an Ag^+(aq)-Ag(s) half-cell. The initial concentration of Ni^2+(aq) in the Ni^2+-Ni half cell is [Ni^2+] = 1.1*10^-2M.
In N2O, nitrogen is the central atom and the oxygen atom is terminal. In OF2, however, oxygen is the central atom.Use formal charges to explain why.
balance the equation when 1-butanol is added to acetic acid.....then 1 drop of conc. sulfuric acid is added, and then 2 mL of water.
The pH in a lake the size of 4.0 km X 7.0 km and an average depth of 100 m is found to be 4.5. Calculate the mass of calcium carbonate that must be added to the lake water in order to raise its pH to 6.0.
Complete combustion of a 0.360g sample of glucose produced 0.528g carbon dioxide and 0.216g of water. Find the empirical formula for glucose.
When 0.0200 mol gaseous NH3 and 0.0180 mol gaseous O2 are placed in a 1.00 L container at a certain temperature, the N2 concentration at equilibrium is 2.20Ã-10-3 M. Calculate Keq for the reaction at this temperature.
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